Ticket #30380: patch-transient.diff

src/wp-includes/option.php

@@ -587 +587 @@
                         $alloptions = wp_load_alloptions();
                         if ( !isset( $alloptions[$transient_option] ) ) {
                                 $transient_timeout = '_transient_timeout_' . $transient;
-                                if ( get_option( $transient_timeout ) < time() ) {
+                                $timeout = get_option( $transient_timeout );
+                                if ( false !== $timeout && $timeout < time() ) {
                                         delete_option( $transient_option  );
                                         delete_option( $transient_timeout );
                                         $value = false;